Toshiba LF622 B Series Flowmeter Manuals

Manuals and User Guides for Toshiba LF622 B Series Flowmeter. We have 1 Toshiba LF622 B Series Flowmeter manual available for free PDF download: Instruction Manual

Toshiba LF622 B Series Instruction Manual (167 pages)

Electromagnetic Flowmeter Converter

Brand: Toshiba | Category: Measuring Instruments | Size: 3.59 MB

Table of Contents
8
Product Inspection and Storage
12
Product Inspection
12
Storage
12
Overview
13
Names of Parts
14
Appearance
14
Appearance of LF620*B Type
14
Appearance of LF622*B Type
15
Construction of the Terminal Blocks
16
Terminal Block Construction of LF620*B Type
16
Installation
17
Notes on Selecting the Installation Location
18
How to Install
19
LF620*B Type
19
LF622*B Type
19
Wiring
22
Cables
23
External Device Connections and Grounding
24
LF620*B Type
24
LF622*B Type
25
Notes on Wiring
26
Notes on Instrumentation-Converter Wiring
26
Notes on Wiring of the LF622*B Type
26
Wiring
27
Grounding
27
Terminal Treatment of Cables
29
Cable Connection
31
Digital I/O Connections
33
Operation
34
Preparatory Check
34
Zero Adjustment
35
LCD Display and Controls
36
Name and Function of each Part of LCD Display
36
Instructions
36
Basic Operations
43
Mode Change
43
Setting and Calibration
47
Configuration Items Selection Table
51
Password Input
53
Parameter Settings
54
Parameter Setting Items
54
Check/Change of Parameters
55
Menu Configuration Selection Screen
55
Function A: Detector Settings
56
Exciting Current Value (Function A-1)
56
Meter Size (Function A-2)
57
Exciting Frequency (Function A-3)
59
Flow Direction Setting (Function A-4)
60
Function B: Display Settings
61
Display Setting (Function B-1, B-2)
61
Custom Coefficient Setting (Function B-2)
65
Custom Unit Setting (Function B-3)
66
Function C: Range Settings
67
Span (Range) (Function C)
67
Function D: Filter Settings
74
Damping Constant (Function D-1)
74
Rate-Of-Change Limit and Control Limit Time (Function D-2)
75
Function E: Low Cutoff Settings
77
Low Cutoff (Function E-1)
77
Display Low Cutoff (Function E-2)
78
Function F: Zero Point Setting
79
Still Water Zero Adjustment (Function F-1)
79
Manual Zero Adjustment (Function F-2)
80
Function G: Current Output Setting
81
4−20Ma Alarm Output Setting (Function G-1)
81
Output Low Limit Setting (Function G-2)
82
Function H: Digital Output Settings
83
Digital Output (Function H)
83
Function I: Digital Input Settings
85
Digital Input (Function I)
85
Function J: Count and Pulse Settings
87
Count Rate (Pulse Rate), Pulse Width Setting Mode and Pulse Width (Function J)
87
Function K: Preset Settings
90
Preset Count (Function K-1)
90
Preset Mode (Function K-2)
92
Function L: High/Low Alarm Settings
93
Function M: High-High/Low-Low Alarm Settings
93
Flow Rate High/Low Alarm and High-High/Low-Low Alarm (Function L, Function M)
93
Function N: Self-Diagnosis Function Settings
95
Empty Pipe Alarm Setting (Function N-1)
95
Self Diagnosis ON/OFF Setting (Function N-2)
96
Converter Alarm (Function N-3)
97
Function O: Fixed Value Output Settings
98
Fixed Value Output (Function O-1)
98
Function P: Other Settings 1
101
Password Setting (Function P-1)
101
LCD Adjustment (Function P-2)
105
Switch Position Setting (Function P-3)
106
Backlight Adjustment(Function P-4)
108
Function Q: Other Settings 2
109
UNIT Serial Display (Function Q-1)
109
Detector Type Setting (Function Q2)
109
Function R: Other Settings 2
110
Short Circuit Detection Function Setting(Function R1)
110
Function S: Communication Settings
111
Modbus Communication Setting (Function S1)
111
Calibration
114
Calibration Items
114
Converter Check / Calibration
115
Flow Rate Calibration (Zero Calibration)
115
Flow Rate Calibration
116
Flow Rate Calibration (Span Calibration)
116
Checking the Excitation Current
116
Functional Description
117
Digital I/O Specifications
118
Totalizer and Pulse Output
119
Multi-Range Function
123
Flow Rate High/Low, High-High/Low-Low Alarm Output
128
Preset Count Function
130
Remote Zero Adjustment
133
Remote Selection of Fixed Value Output
133
Converter Failure Alarm
134
Multiple Range High/Low Limit Alarm Function
135
Custom Unit Function
137
Communications Function
140
Connections with Configurator
140
Notes on Communications
142
Self Diagnosis and Alarms
143
Self-Diagnosis
143
Output Status for Errors and Alarms
146
Maintenance and Troubleshooting
147
Maintenance
147
Troubleshooting
150
Flow Rate Is Not Indicated
150
Flow Rate Indication Is Not Correct
151
Flow Rate Indication Is Not Stable
152
The Switches Become Inoperable
153
Principle of Operation
154
Specifications
155
Model Number Table
159
Outline Drawing
160
LF620*B Type
160
LF622*B Type
161
Appendix 1 Reverse Lookup of Functions Based on Applications
162
Appendix 2 Factory Default/ Standard Values
164

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Toshiba LF622 B Series Flowmeter Manuals

Toshiba LF622 B Series Instruction Manual (167 pages)

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